How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 5/24100.0*Average seed
Rayo 0 Cordoba 1 -0.2
Gimnastic 3 Elche 3 -0.1
Week of 5/31100.0*Average seed
Alcorcon 0 Gimnastic 1 +0.2
Cordoba 2 Osasuna 3 +0.1
Week of 6/8100.0*Average seed
Gimnastic 1 Lugo 1 -0.4
Deportivo 2 Cordoba 0 +0.2
Points
Chance Will Win Championship